/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.table.module;

import org.apache.flink.table.factories.ModuleFactory;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static org.apache.flink.table.descriptors.CoreModuleDescriptorValidator.MODULE_TYPE_CORE;
import static org.apache.flink.table.descriptors.ModuleDescriptorValidator.MODULE_TYPE;

/**
 * Factory for {@link CoreModule}.
 */
public class CoreModuleFactory implements ModuleFactory {

	@Override
	public Module createModule(Map<String, String> properties) {
		return CoreModule.INSTANCE;
	}

	@Override
	public Map<String, String> requiredContext() {
		Map<String, String> context = new HashMap<>();
		context.put(MODULE_TYPE, MODULE_TYPE_CORE);

		return context;
	}

	@Override
	public List<String> supportedProperties() {
		return new ArrayList<>();
	}
}
